Portsmouth
10 day weather forecast for Portsmouth
Friday, 7th August 2026, at 10:17
today
22° 13°
tomorrow
23° 15°
Sunday
26° 18°
Monday
28° 17°
Tuesday
25° 17°
Wednesday
26° 18°
Thursday
29° 20°
Seemore
Portsmouth Weather Pages
Portsmouth weather forecast
The weather forecast for Portsmouth over the next 3 days indicates comfortable conditions with temperatures ranging from 22 °C to 26 °C.
Wind speeds are expected to be breezy, averaging around 19 km/h.
On Monday, expect a change in weather with temperatures reaching 28°C.
Portsmouth 14 days weather forecast
This weeks weather in Portsmouth. Click on a date for detailed forecasts
Fri. 7
22°
13°
0 mm
Sat. 8
23°
15°
0 mm
Sun. 9
26°
18°
0 mm
Mon. 10
28°
17°
0 mm
Tue. 11
25°
17°
0 mm
Wed. 12
26°
18°
0 mm
Thu. 13
29°
20°
0 mm
Fri. 14
28°
20°
0 mm
Sat. 15
23°
19°
0.9 mm
Sun. 16
23°
16°
0 mm
Mon. 17
22°
16°
0.1 mm
Tue. 18
23°
16°
0.3 mm
Wed. 19
19°
15°
12 mm
Thu. 20
22°
17°
1.6 mm
Further Ahead
You can click on date
Access Portsmouth weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Portsmouth long range weather forecast
30 day weather forecast for Portsmouth
Important Notice
Our Portsmouth long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Portsmouth
The chart displays the expected rainfall values (in mm) over the next 14 days in Portsmouth, highlighting variations in precipitation levels for specific dates. ☔
Portsmouth Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Portsmouth over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Portsmouth
How warm is it in Portsmouth over the next 14 days?
Over the next two weeks, temperatures in Portsmouth are expected to range from around 13 °C on the coldest nights up to about 29 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Portsmouth in the next two weeks?
Yes - rain is expected on about 5 of the next 14 days in Portsmouth, with roughly 14.8 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Portsmouth?
Maximum wind speeds in Portsmouth are forecast to reach about 38 km/h at their peak over the next 14 days.
When is the best time to visit Portsmouth?
For a month-by-month look at temperatures and rainfall, see our best time to visit Portsmouth guide.
How accurate is the 14-day forecast for Portsmouth?
Our Portsmouth forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Portsmouth?Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.
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